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May weather forecast in St. Helena
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
27
+24
+10
27 April, sun
+24
+10
Feels like
+13
728 mmHg
54%
4.1
m/s
W
27 April, Sunday. day, 24°; night, 10°; clear
28
+23
+10
28 April, mon
+23
+10
Feels like
+13
728 mmHg
54%
4.1
m/s
SW
28 April, Monday. day, 23°; night, 10°; clear
29
+24
+10
29 April, tue
+24
+10
Feels like
+13
729 mmHg
52%
3.9
m/s
SW
29 April, Tuesday. day, 24°; night, 10°; clear
30
+24
+10
30 April, wed
+24
+10
Feels like
+14
729 mmHg
51%
3.8
m/s
SW
30 April, Wednesday. day, 24°; night, 10°; clear
1
+25
+11
1 May, thu
+25
+11
Feels like
+14
728 mmHg
49%
3.7
m/s
SW
1 May, Thursday. day, 25°; night, 11°; clear
2
+24
+11
2 May, fri
+24
+11
Feels like
+14
728 mmHg
52%
4
m/s
SW
2 May, Friday. day, 24°; night, 11°; rain
3
+23
+11
3 May, sat
+23
+11
Feels like
+14
728 mmHg
55%
3.9
m/s
SW
3 May, Saturday. day, 23°; night, 11°; clear
4
+24
+11
4 May, sun
+24
+11
Feels like
+14
728 mmHg
56%
3.6
m/s
SW
4 May, Sunday. day, 24°; night, 11°; rain
5
+23
+10
5 May, mon
+23
+10
Feels like
+14
727 mmHg
56%
3.8
m/s
SW
5 May, Monday. day, 23°; night, 10°; partly cloudy
6
+23
+10
6 May, tue
+23
+10
Feels like
+13
728 mmHg
56%
3.8
m/s
SW
6 May, Tuesday. day, 23°; night, 10°; overcast
7
+23
+11
7 May, wed
+23
+11
Feels like
+14
728 mmHg
55%
3.7
m/s
SW
7 May, Wednesday. day, 23°; night, 11°; clear
8
+24
+11
8 May, thu
+24
+11
Feels like
+14
728 mmHg
52%
3.6
m/s
SW
8 May, Thursday. day, 24°; night, 11°; clear
9
+24
+11
9 May, fri
+24
+11
Feels like
+14
728 mmHg
52%
3.6
m/s
SW
9 May, Friday. day, 24°; night, 11°; clear
10
+25
+11
10 May, sat
+25
+11
Feels like
+14
728 mmHg
52%
3.8
m/s
SW
10 May, Saturday. day, 25°; night, 11°; clear
11
+25
+11
11 May, sun
+25
+11
Feels like
+15
728 mmHg
51%
3.6
m/s
SW
11 May, Sunday. day, 25°; night, 11°; clear
12
+25
+11
12 May, mon
+25
+11
Feels like
+15
728 mmHg
51%
3.5
m/s
SW
12 May, Monday. day, 25°; night, 11°; clear
13
+25
+11
13 May, tue
+25
+11
Feels like
+15
728 mmHg
52%
3.6
m/s
SW
13 May, Tuesday. day, 25°; night, 11°; partly cloudy
14
+25
+12
14 May, wed
+25
+12
Feels like
+15
728 mmHg
55%
3.8
m/s
SW
14 May, Wednesday. day, 25°; night, 12°; partly cloudy
15
+25
+12
15 May, thu
+25
+12
Feels like
+16
727 mmHg
58%
3.8
m/s
SW
15 May, Thursday. day, 25°; night, 12°; rain
16
+25
+12
16 May, fri
+25
+12
Feels like
+16
727 mmHg
56%
3.7
m/s
SW
16 May, Friday. day, 25°; night, 12°; overcast
17
+25
+12
17 May, sat
+25
+12
Feels like
+16
727 mmHg
56%
3.9
m/s
SW
17 May, Saturday. day, 25°; night, 12°; partly cloudy
18
+26
+13
18 May, sun
+26
+13
Feels like
+16
727 mmHg
54%
3.9
m/s
SW
18 May, Sunday. day, 26°; night, 13°; rain
19
+26
+12
19 May, mon
+26
+12
Feels like
+16
727 mmHg
52%
3.7
m/s
SW
19 May, Monday. day, 26°; night, 12°; clear
20
+25
+12
20 May, tue
+25
+12
Feels like
+15
727 mmHg
52%
3.9
m/s
SW
20 May, Tuesday. day, 25°; night, 12°; clear
21
+26
+12
21 May, wed
+26
+12
Feels like
+16
727 mmHg
52%
3.9
m/s
SW
21 May, Wednesday. day, 26°; night, 12°; clear
22
+26
+12
22 May, thu
+26
+12
Feels like
+16
727 mmHg
51%
3.8
m/s
SW
22 May, Thursday. day, 26°; night, 12°; clear
23
+26
+13
23 May, fri
+26
+13
Feels like
+16
727 mmHg
50%
3.7
m/s
SW
23 May, Friday. day, 26°; night, 13°; clear
24
+26
+13
24 May, sat
+26
+13
Feels like
+17
727 mmHg
52%
3.6
m/s
SW
24 May, Saturday. day, 26°; night, 13°; clear
25
+25
+12
25 May, sun
+25
+12
Feels like
+16
726 mmHg
55%
3.7
m/s
SW
25 May, Sunday. day, 25°; night, 12°; partly cloudy
26
+25
+12
26 May, mon
+25
+12
Feels like
+16
727 mmHg
58%
3.8
m/s
SW
26 May, Monday. day, 25°; night, 12°; clear
27
+26
+12
27 May, tue
+26
+12
Feels like
+17
728 mmHg
58%
3.6
m/s
SW
27 May, Tuesday. day, 26°; night, 12°; clear
28
+26
+13
28 May, wed
+26
+13
Feels like
+17
727 mmHg
57%
3.5
m/s
SW
28 May, Wednesday. day, 26°; night, 13°; clear
29
+27
+13
29 May, thu
+27
+13
Feels like
+17
727 mmHg
52%
3.6
m/s
SW
29 May, Thursday. day, 27°; night, 13°; clear
30
+28
+13
30 May, fri
+28
+13
Feels like
+18
727 mmHg
52%
3.3
m/s
SW
30 May, Friday. day, 28°; night, 13°; clear
31
+28
+14
31 May, sat
+28
+14
Feels like
+19
727 mmHg
51%
3.3
m/s
SW
31 May, Saturday. day, 28°; night, 14°; clear
Average data for 10 years
St. Helena May
20
sunny days
4
days with precipitation
2
cloudy days
20 sunny days; 4 days with precipitation; 2 cloudy days;
54
%
air humidity
2.09
m/s
Wind
SW
27
mm of precipitation
(4% of annual average)
air humidity 54%; 27 millimeters of precipitation (4% of annual average); Wind south-westerly 2.09 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
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